PMID: 9428581Jan 1, 1997Paper

High prevalence of cholelithiasis in a low income Mexican population: an ultrasonographic survey

Archives of Medical Research
C González VillalpandoM P Stern

Abstract

The authors present the results of a population-based survey of cholelithiasis carried out in a low-income area of Mexico City using high-resolution gallbladder ultrasound. The purpose of the study was to estimate the prevalence and selected associated risk factors of cholelithiasis (CL). The population of the studied area was 15,532 subjects, of whom 3,505 (22.6%) were eligible for the baseline survey (men and non-pregnant women between 35-64 years of age). Of this group, 1,735 (76.03%, 702 men and 1,033 women) were located for a follow-up study. Ultrasonography was performed on all except for 100 subjects who had undergone previous cholecystectomy. Crude prevalence of CL was 14.1% (95% CI 12.5-15.5). The prevalence was 5.8% (95% CI 4.1-7.5) in men and 19.7% (95% CI 17.3-22.1) in women. Presence of gallstones was associated with age, sex (men p<0.006, women p<0.001), and multiparity (p<0.002). Centrality index in men and body mass index in women were positive and significantly associated with CL when compared with subjects without CL. High levels of fasting and post-glucose load insulin in women and men respectively were associated with CL. The authors conclude that the population of this study has a high prevalence of CL and ...Continue Reading

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